First developed for use in the for-profit business world, the lean method focuses on swiftly turning new ideas for products or services into iterative experiments. Lean practitioners build simple ...

How can you determine if a new process performs better than the original? How can you be confident that a new drug or vaccine will be safe and effective? How can you best determine which market(s) to ...

Such algorithmic decisions are natural experiments (conditionally quasi-randomly assigned instruments ... into consistent estimators of causal effects and the counterfactual performance of new ...

This experiment was deliberately designed to explore ... that might occur in different social occasions, a core brain process ...